If you didn’t sleep smartly final night,
you can persuade yourself that you conveniently
did conveniently by capacity of believing you aren’t drained.
It’s referred to as ‘placebo sleep,’ it improves
cognitive characteristic, and it makes you
perform stronger than in the experience you spend
the day wondering being drained.
Source Source 2 Source three

If you didn’t sleep well last night,
you can convince yourself that you
did just by believing you aren’t tired.
It’s called ‘placebo sleep,’ it improves
cognitive function, and it makes you
perform better than when you spend
the day thinking about being tired.
SourceSource 2Source 3